Definition of unprofessional adjective from the Oxford Advanced Learner's Dictionary

 

unprofessional

 adjective
adjective
BrE BrE//ˌʌnprəˈfeʃənl//
 
; NAmE NAmE//ˌʌnprəˈfeʃənl//
 
 
jump to other results
not reaching the standard expected in a particular profession She was found guilty of unprofessional conduct. opposite professional compare non-professional
See the Oxford Advanced American Dictionary entry: unprofessional